XmlDomBuilder
For more details: See the W3C Recommendation
http://www.w3.org/TR/REC-xml/
and a little bit about XML parser (XHTML context)
http://www.w3.org/html/wg/drafts/html/master/the-xhtml-syntax.html#xml-parser.
Parses the given source and creates the document.
Parses the given source asynchronously and creates the document.